Downspout Flow Modulation Using Absorbent Plenum Layers
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Solution Overview
Problem
Concentrated flow from downspouts during rain events leads to erosion of soil and ground surfaces, carrying sediment into storm water infrastructure and causing costly cleanup and damage.
Innovation Solution
An apparatus comprising a first layer with an internal plenum and a first matrix that absorbs a portion of the flow, reducing the flow rate and preventing sediment from being carried into storm water infrastructure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If concentrated flow from downspouts is allowed to flow directly onto the ground, then the flow rate is high and erosion control is difficult, but this causes erosion of soil and ground surfaces and carries sediment into storm water infrastructure
Solution Approach 1:
The patent introduces an intermediary device (flow modulation apparatus) placed between the downspout and the ground. This apparatus includes absorbent materials and flow distribution components that intercept the concentrated flow, absorb excess water, and redistribute the remaining flow in a controlled manner across the ground surface, thereby reducing erosion while maintaining productive water discharge
Solution Approach 2:
The patent utilizes porous and absorbent materials (such as fabric layers, sponge materials, or permeable structures) within the flow modulation apparatus. These materials allow water to pass through while trapping sediment and reducing flow concentration, effectively decreasing the erosive power of the discharged water without completely blocking the flow
2Ease of operation
If sediment-laden water is discharged into storm water infrastructure, then the flow path is straightforward, but this is not legally permitted in many jurisdictions and requires costly cleaning
Solution Approach 1:
The patent extracts sediment from the water flow before discharge by incorporating filtration and sedimentation components within the flow modulation apparatus. These components separate and retain sediment particles, allowing only relatively clean water to proceed to the storm water infrastructure, thereby eliminating the harmful sediment discharge effect while maintaining the straightforward flow path
3Reliability
If conventional erosion control methods are used during construction, then some protection is provided, but these methods are insufficient during the stripping and grading process when surrounding lands are particularly vulnerable
Solution Approach 1:
The patent employs dynamic and adjustable components in the flow modulation apparatus that can be adapted to different construction phases and site conditions. The apparatus can be configured with varying absorbent material densities, flow distribution patterns, and sedimentation chamber sizes to provide reliable erosion protection tailored to the specific vulnerabilities present during stripping, grading, and other construction activities
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The apparatus effectively reduces erosion by modulating the flow from downspouts, preventing sediment from entering storm water systems, and offering an environmentally friendly, compostable, and biodegradable solution.
Implementation Method 1
a first matrix that absorbs a portion of the flow, reducing the flow rate
Data Source
AI summary
An apparatus for modulating flow from a downspout is provided. The apparatus comprises a first layer that is releasably connectible proximal to a point of egress from the downspout, the first layer having a first opening and defining an internal plenum, and wherein the apparatus is configured to modulate at least a portion of the flow while receivably passing the flow therethrough.